It’s no secret thatShin Megami Tensei 5: Vengeanceis a difficult game - it throws tough challenges and unfair fights at you all the time. As a result, it becomes very important to use every possible method to get stronger - one such way is through quests, and some require more effort than others.
You can begin and complete the Prince of Her Dreams side quest after completing the main story events in Minato and return to Tokyo for the first time. There, you’ll have a chance to talk to Miyazu about her recurring dreams and investigate them on her behalf.

How To Complete Prince Of Her Dreams
You’ll be warned by the game upon taking this quest that you have alimited time to complete it- indeed, you must be quick about it or you’ll miss out on the important information gained through the quest’s resolution.
After talking to Miyazu and accepting the quest, simplycontinue the story until time progresses and the school day ends.

Once school has ended, head to thesecond floorof the school and walk to theend of the hallwayto the east of the minimap. There,talk to the studentwho’s interested in the occult, and he’ll help you figure out the nature of the figure in Miyazu’s dreams.
After talking to the student, you canfind Miyazu in the nurse’s office on the ground floor. Talk to her to complete the quest.
This quest will reward you with500 experience and three Cans of Jelly, which can be sold to Gustave at the Cadaver’s Hollow.
These rewards aren’t that useful; the main prize you receive from this quest isfinding out more about Miyazu and the mythical figure associated with her- this information will pay off later.